4.1 Congruent Figures 2010
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4.1 Congruent Figures
Objective: Recognize congruent figures and their corresponding parts.
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3.6 Hmwk KEY
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What is the difference between congruent and similar triangles?
• Write a definition for each in your own words.
• Draw and example of each.
you look familiar
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4.1 Congruent Figures 2010
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Congruent figures have exactly the same size and shape.
When two figures are congruent you can move one so that it fits exactly on the other one.
Congruent polygons have congruent corresponding parts.
To name congruent polygons list them in order of their congruent parts. ABCD ≅ YZWX
A
D
B
X
W
C
Z
Y
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Naming Congruent Parts
ABCD ≅ YZWX
List the congruent corresponding parts.
Sides:
Angles:
A
D
B
W
C
X
Z
Y
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Warm­up
Statements
Reasons
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Homework
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